Remove utils/tests/archive

utils/tests/archive/utils_test.dart

-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-library utils_test;
-
-import '../../../pkg/unittest/lib/unittest.dart';
-import '../../archive/utils.dart';
-
-main() {
-  // TODO(nweiz): re-enable this once issue 4378 is fixed.
-  return;
-
-  group('attachFinalizer', () {
-    test('calls the finalizer eventually once the object is collected', () {
-      var finalized = null;
-
-      void finalizer(String data) {
-        finalized = data;
-      }
-
-      while (finalized == null) {
-        var list = [1, 2, 3];
-        attachFinalizer(list, finalizer, 'finally finalized!');
-      }
-
-      expect(finalized, equals('finally finalized!'));
-    });
-
-    test("doesn't call the finalizer while the object is in scope", () {
-      var finalized = null;
-
-      void finalizer(String data) {
-        finalized = data;
-      }
-
-      var list = [1, 2, 3];
-      attachFinalizer(list, finalizer, 'finally finalized!');
-      expect(finalized, isNull);
-    });
-  });
-}